Home / 501,785.10-693,458.91-410,997.30

Finding the Fourth Proportional to 501,785.10, 693,458.91 and 410,997.30

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Solution

The fourth proportional to 501,785.10, 693,458.91 and 410,997.30 is: 567,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,785.10 : 693,458.91 = 410,997.30 : x
  2. Step 2: Convert to fraction form
    501,785.10/693,458.91 = 410,997.30/x
  3. Step 3: Cross multiply
    501,785.10x = 693,458.91 × 410,997.30
  4. Step 4: Simplify right side
    501,785.10x = 285,009,739,670.94
  5. Step 5: Solve for x
    x = 285,009,739,670.94/501,785.10
  6. Step 6: Final answer
    x = 567,991.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.